CN210037057U

CN210037057U - Multi-station thread torque automatic detection mechanism

Info

Publication number: CN210037057U
Application number: CN201920842225.XU
Authority: CN
Inventors: 刘龙; 孙明云
Original assignee: Taidong Auto Parts (suzhou) Co Ltd
Current assignee: Taidong Auto Parts (suzhou) Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-02-07
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a multistation screw thread moment of torsion automatic check out mechanism, it includes a plurality of bearing tool, the position that bear the weight of the product bear the weight of the moment of torsion detecting element of tool below, with bear the weight of the tool one-to-one and compress tightly the product compress tightly the unit, with bear a plurality of transfer transition tools that the tool set up relatively, set up bear the weight of the unloading conveying unit of tool one side, follow the product grab in the transfer transition tool bear the weight of the tool on simultaneously with the product follow bear the tool grab the product on the unloading conveying unit and move and carry the mechanism. The utility model discloses once only can realize detecting when a plurality of products, improved detection precision and detection efficiency greatly, realized unloading in the automation.

Description

Multi-station thread torque automatic detection mechanism

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the check out test set, especially, relate to a multistation screw thread moment of torsion automatic check out mechanism.

[ background of the invention ]

At present, a threaded hole is formed in one product, and the threaded torque of the threaded hole is required to be detected before the threaded hole is assembled with other parts due to the fact that the threaded hole has a torque requirement. In the prior art, a bearing jig is adopted for detecting the thread torque of the product, the product is manually placed on the jig, and then the torque sensor is arranged on a rotating shaft of a thread detection head.

Therefore, there is a need to provide a new multi-station thread torque automatic detection mechanism to solve the above problems.

[ Utility model ] content

The utility model discloses a main aim at provides a multistation screw thread moment of torsion automatic check out mechanism once only detects when can realizing a plurality of products, has improved detection precision and detection efficiency greatly, has realized unloading in the automation.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a multistation screw thread moment of torsion automatic check out mechanism, its includes a plurality of bear the weight of the tool that bears the product, be located bear the weight of the moment of torsion detecting element of tool below, with bear the weight of the tool one-to-one and compress tightly the unit that compresses tightly of product, with bear a plurality of transfer transition tools that the tool set up relatively, set up and be in bear the unloading conveying unit of tool one side, follow the product grab in the transfer transition tool bear the tool on the tool simultaneously with the product follow bear the tool grab get the product on the unloading conveying unit moves and carries the mechanism.

Furthermore, the torque detection unit comprises a first driving part fixedly arranged, a rotating sleeve driven by the first driving part to perform rotary motion, a thread detection head assembly which can axially stretch out and draw back relative to the rotating sleeve and synchronously rotate with the rotating sleeve, a height sensing piece fixed on the thread detection head assembly, and a sensor matched with the height sensing piece.

Furthermore, the circumferential surface of the rotary sleeve is provided with an axial strip-shaped groove, one end of the thread detection head assembly is arranged in the rotary sleeve, two pin shafts are arranged on the part of the thread detection head assembly, and the pin shafts penetrate through the strip-shaped groove to realize synchronous rotation and axial relative motion with the rotary sleeve.

Furthermore, the upper part of the thread detection head assembly extends into a threaded hole of a product to be detected.

Further, the torque detection unit further comprises a first air cylinder for assisting the screw thread detection head assembly to reset downwards in the axial direction.

Furthermore, a lower push plate which abuts against the pin shaft is arranged at the movable end of the first cylinder.

Furthermore, the compressing unit comprises a second cylinder and a pressing plate hinged to the movable end of the second cylinder, the middle of the pressing plate is hinged to a fixed seat, the other end of the pressing plate is located right above a threaded hole of a product, and the pressing plate is driven by the second cylinder to move around the fixed seat through a lever so as to compress and loosen the product.

Furthermore, the unloading conveying unit comprises an unloading conveying belt, a waste collecting box arranged below the end part of the unloading conveying belt, a material supporting plate located above the waste collecting box and in butt joint with the unloading conveying belt, and a third air cylinder driving the material supporting plate to overturn around a fixed seat, and the unloading conveying unit realizes that a product enters the unloading conveying belt or the waste collecting box through two states of extension and retraction of the material supporting plate.

Furthermore, the product moves and carries mechanism includes the fourth cylinder, receives the fourth cylinder drive carries out the first backup pad of seesaw, fixes second driving piece in the first backup pad, receives the second backup pad that the second driving piece drive carried out the up-and-down motion, fixes the third driving piece in the second backup pad, receives the third driving piece drive carries out the third backup pad of side-to-side motion, fix in the third backup pad and respectively with bear the tool with first clamping unit and the second clamping unit that the transfer tool one-to-one set up.

Furthermore, first centre gripping unit is including fixing fifth cylinder and sixth cylinder in the third backup pad, receive the first clamping jaw that fifth cylinder drive carried out the centre gripping action, receive the mark marking subassembly that sixth cylinder drive carried out up-and-down motion.

Compared with the prior art, the utility model relates to a multistation screw thread moment of torsion automated inspection mechanism's beneficial effect lies in: the disposable detects when enough realizing a plurality of products, and compresses tightly the product through compressing tightly the unit for the product can not take place to rock in the testing process, has improved detection precision and detection efficiency greatly, has realized unloading in the automation.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a product transfer mechanism in an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a product transfer mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the torque detection unit and the pressing unit in the embodiment of the present invention;

the figures in the drawings represent:

100 multi-station thread torque automatic detection mechanism;

1, carrying a jig; 2, a torque detection unit, 21 a first driving piece, 22 a rotating sleeve, 23 a thread detection head assembly, 24 a height sensing piece, 25 a sensor, 26 a first cylinder, 27 a strip-shaped groove, 28 a pin shaft and 29 a lower push plate; 3, a pressing unit, 31 a second cylinder, 32 a pressing plate and 33 a fixed seat; 4 transferring the transition fixture; 5, a blanking conveying unit, a 51 retainer plate, a 52 fixing seat and a 53 third cylinder; 6 product moves and carries mechanism, 61 fourth cylinder, 62 first backup pad, 63 second driving piece, 64 second backup pad, 65 third driving piece, 66 third backup pad, 67 first clamping unit, 671 fifth cylinder, 672 sixth cylinder, 673 first clamping jaw, mark subassembly is marked to 674, 68 second clamping unit, 681 seventh cylinder, 682 second clamping jaw.

[ detailed description ] embodiments

Example (b):

referring to fig. 1-4, the embodiment is a multi-station screw torque automatic detection mechanism 100, which includes a plurality of loading jigs 1 for loading products, a torque detection unit 2 located below the loading jigs 1, pressing units 3 corresponding to the loading jigs 1 one-to-one and pressing the products, a plurality of transfer transition jigs 4 disposed opposite to the loading jigs 1, a discharging conveying unit 5 disposed at one side of the loading jigs 1, and a product transfer mechanism 6 for grabbing the products from the transfer transition jigs 4 to the loading jigs 1 and grabbing the products from the loading jigs 1 to the discharging conveying unit 5.

The bearing jig 1 is provided with a through hole corresponding to the position of the threaded hole in the product.

The torque detection unit 2 comprises a first driving member 21 fixedly arranged, a rotating sleeve 22 driven by the first driving member 21 to rotate, a thread detection head assembly 23 capable of axially extending and retracting relative to the rotating sleeve 22 and synchronously rotating with the rotating sleeve 22, a height sensing piece 24 fixed on the thread detection head assembly 23, a sensor 25 matched with the height sensing piece 24, and a first air cylinder 26 assisting the thread detection head assembly 23 to axially and downwardly reset. The circumferential surface of the rotary sleeve 22 is provided with an axial strip-shaped groove 27, one end of the thread detection head assembly 23 is arranged in the rotary sleeve 22, and the part is provided with two pin shafts 28, and the pin shafts 28 penetrate through the strip-shaped groove 27 so as to realize synchronous rotation and axial relative motion with the rotary sleeve 22. The upper portion of the thread detecting head assembly 23 is inserted into the threaded hole of the product to be detected. The movable end of the first cylinder 26 is provided with a lower push plate 29 which abuts against the pin 28.

The first driving member 21 is a motor that outputs a constant torque in accordance with a torque detection request. During detection, the motor drives the rotary sleeve 22 to drive the thread detection head assembly 23 to synchronously rotate, the upper end of the thread detection head assembly 23 is matched with a product threaded hole, and the product threaded hole is fixed, so that the thread detection head assembly 23 rises under the action of thread matching, and within a set time, if the rising height of the height induction sheet 24 reaches the detection range of the sensor 25, the thread torsion of the product is judged to be qualified, and if the rising height of the height induction sheet 24 within the time is not enough or exceeds the detection range of the sensor 25, the thread torsion of the product is judged to be unqualified; after the detection is finished, the first driving piece 21 rotates reversely, the thread detection head assembly 23 descends, and meanwhile, the first air cylinder 26 drives the lower push plate 29 to assist the thread detection head assembly 23 in resetting.

Compress tightly unit 3 and include second cylinder 31, articulate the clamp plate 32 at the second cylinder 31 expansion end, the middle part of clamp plate 32 articulates on a fixing base 33, the other end of clamp plate 32 is located the product screw hole directly over, carry out lever motion realization and compress tightly and loosen the action to the product round fixing base 33 through second cylinder 31 drive clamp plate 32, compress tightly the product through compressing tightly unit 3, be used for compressing tightly product screw hole peripheral part, can effectually prevent that the product from appearing rocking in the testing process, improve and detect the precision. The lower surface of the end of the pressure plate 32 close to the threaded hole of the product is provided with a concave circular hole to provide a space for the up-and-down movement of the thread detection head assembly 23.

The blanking conveying unit 5 comprises a discharging conveying belt (not marked in the figure), a waste collecting box (not marked in the figure) arranged below the end part of the discharging conveying belt, a material supporting plate 51 positioned above the waste collecting box and butted with the discharging conveying belt, and a third air cylinder 53 driving the material supporting plate 51 to overturn around a fixed seat 52, wherein the product enters the discharging conveying belt or the waste collecting box through two states of extension and retraction of the material supporting plate 51.

The product transfer mechanism 6 includes a fourth cylinder 61, a first support plate 62 driven by the fourth cylinder 61 to move back and forth, a second driving member 63 fixed to the first support plate 62, a second support plate 64 driven by the second driving member 63 to move up and down, a third driving member 65 fixed to the second support plate 64, a third support plate 66 driven by the third driving member 65 to move left and right, and first and

second clamping units

67 and 68 fixed to the third support plate 66 and respectively provided in one-to-one correspondence with the carrying jigs 1 and the transfer transition jigs 4.

The first clamping unit 67 includes fifth and sixth air cylinders 671 and 672 fixed to the third support plate 66, a first clamping jaw 673 driven by the fifth air cylinder 671 to perform a clamping operation, and a marking assembly 674 driven by the sixth air cylinder 672 to perform an up-and-down movement. The marking assembly 674 can be a marking pen, a marking column and the like, symmetrical parts with the same structure but different installation positions can be distinguished by marking on a product, and mixed materials can be effectively distinguished.

The second clamping unit 68 includes a seventh cylinder 681 fixed to the third support plate 66, and a second clamping jaw 682 driven by the seventh cylinder 681 to perform a clamping operation.

The working principle of the multi-station thread torque automatic detection mechanism 100 of the embodiment is as follows: a group of products are firstly placed on the transfer transition fixture 4, then the second clamping unit 67 picks and places the products from the transfer transition fixture 4 onto the bearing fixture 1, and meanwhile, the first clamping unit 68 picks and places the products detected on the bearing fixture 1 onto the material dragging plate 51; after the product was placed and is born the weight of tool 1 on, compress tightly unit 3 and compress tightly the product, torque detection unit 2 detects the screw thread torsion of product, after the detection, first clamping unit 68 snatchs the product and drags flitch 51 top, at this moment, drags flitch 51 to be driven to the state position that corresponds by third cylinder 53 according to the testing result, if detect qualified, then the product is carried and is exported on ejection of compact conveyer belt, if detect unqualifiedly, then the product falls into the garbage collection box.

The multistation screw thread moment of torsion automatic check out mechanism 100 of this embodiment once only detects when can realizing a plurality of products, and compresses tightly the product through compressing tightly the unit for the product can not take place to rock in the testing process, has improved detection precision and detection efficiency greatly, has realized unloading in the automation.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a multistation screw thread moment of torsion automated inspection mechanism which characterized in that: the device comprises a plurality of bearing jigs for bearing products, a torque detection unit positioned below the bearing jigs, a pressing unit which is in one-to-one correspondence with the bearing jigs and presses the products, a plurality of transfer transition jigs which are arranged opposite to the bearing jigs, an unloading conveying unit arranged on one side of the bearing jigs, and a product transferring mechanism which is used for grabbing the products from the transfer transition jigs to the bearing jigs and grabbing the products from the bearing jigs to the unloading conveying unit.

2. The multi-station thread torque automatic detection mechanism according to claim 1, characterized in that: the torque detection unit comprises a first driving piece, a rotary sleeve, a thread detection head assembly, a height sensing piece and a sensor, wherein the first driving piece is fixedly arranged, the rotary sleeve is driven by the first driving piece to perform rotary motion, the thread detection head assembly can axially stretch and retract relative to the rotary sleeve and synchronously rotate with the rotary sleeve, the height sensing piece is fixed on the thread detection head assembly, and the sensor is matched with the height sensing piece.

3. The multi-station thread torque automatic detection mechanism according to claim 2, characterized in that: the circumference surface of the rotary sleeve is provided with an axial strip-shaped groove, one end of the thread detection head assembly is arranged in the rotary sleeve, two pin shafts are arranged on the part of the thread detection head assembly, and the pin shafts penetrate through the strip-shaped groove to realize synchronous rotation and axial relative motion with the rotary sleeve.

4. The multi-station thread torque automatic detection mechanism according to claim 2, characterized in that: and the upper part of the thread detection head assembly extends into a threaded hole of a product to be detected.

5. The multi-station thread torque automatic detection mechanism according to claim 3, characterized in that: the torque detection unit further comprises a first air cylinder assisting the screw thread detection head assembly to reset downwards in the axial direction.

6. The multi-station thread torque automatic detection mechanism according to claim 5, characterized in that: the movable end of the first cylinder is provided with a lower push plate which abuts against the pin shaft.

7. The multi-station thread torque automatic detection mechanism according to claim 1, characterized in that: the pressing unit comprises a second cylinder and a pressing plate hinged to the movable end of the second cylinder, the middle of the pressing plate is hinged to a fixing seat, the other end of the pressing plate is located right above a threaded hole of a product, and the pressing plate is driven by the second cylinder to move around the fixing seat through a lever so as to realize pressing and loosening actions on the product.

8. The multi-station thread torque automatic detection mechanism according to claim 1, characterized in that: the blanking conveying unit comprises a discharging conveying belt, a waste collecting box arranged below the end part of the discharging conveying belt, a material supporting plate located above the waste collecting box and in butt joint with the discharging conveying belt, and a third air cylinder driving the material supporting plate to overturn around a fixed seat, and whether a product enters the discharging conveying belt or the waste collecting box is achieved through two states of extension and retraction of the material supporting plate.

9. The multi-station thread torque automatic detection mechanism according to claim 1, characterized in that: the product moves and carries mechanism includes the fourth cylinder, receives the fourth cylinder drive carries out the first backup pad of seesaw, fixes second driving piece on the first backup pad, receives the second driving piece drive carries out the second backup pad of up-and-down motion, fixes the third driving piece in the second backup pad, receives the third driving piece drive carries out the third backup pad of side-to-side motion, fix in the third backup pad and respectively with bear the tool with first centre gripping unit and the second centre gripping unit that the transfer tool one-to-one set up.

10. The multi-station thread torque automatic detection mechanism according to claim 9, characterized in that: the first clamping unit comprises a fifth cylinder and a sixth cylinder which are fixed on the third supporting plate, a first clamping jaw driven by the fifth cylinder to perform clamping action, and a marking assembly driven by the sixth cylinder to perform up-and-down motion marking.